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Marketable Securities (Details Narrative) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |  |  |  |  |
Marketable securities held in mutual funds | $ 62,000 |  | $ 62,000 |  | $ 2,276,000
Mutual funds classified as available for sale | 62,000 |  | 62,000 |  | $ 2,276,000
Net gain (loss) on equity securities | (1,000) | $ 273,000 | 17,000 | $ 95,000 |
Unrealized gain on equity securities | 11,000 | (59,000) | (56,000) | (277,000) |
Marketable securities | $ (12,000) | $ 332,000 | $ 73,000 | $ 373,000 |

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